All economic activity is concentrated on the largest island of Diego Garcia, where a joint UK-US military facility is located. Construction projects and various services needed to support the military installation are performed by military and contract employees from the UK, Mauritius, the Philippines, and the US. Some of the natural resources found in this territory include coconuts, fish, and sugarcane. Sugarcane is still a major export for this territory. There are no industrial or agricultural activities on the islands. The territory earns foreign exchange by selling fishing licenses and postage stamps.